CA2121757C - Intersymbol interference channel coding scheme - Google Patents

Intersymbol interference channel coding scheme

Info

Publication number
CA2121757C
CA2121757C CA002121757A CA2121757A CA2121757C CA 2121757 C CA2121757 C CA 2121757C CA 002121757 A CA002121757 A CA 002121757A CA 2121757 A CA2121757 A CA 2121757A CA 2121757 C CA2121757 C CA 2121757C
Authority
CA
Canada
Prior art keywords
signal
sequence
intersymbol interference
space code
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002121757A
Other languages
English (en)
French (fr)
Other versions
CA2121757A1 (en
Inventor
Rajiv Laroia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22133080&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2121757(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2121757A1 publication Critical patent/CA2121757A1/en
Application granted granted Critical
Publication of CA2121757C publication Critical patent/CA2121757C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA002121757A 1993-06-14 1994-04-20 Intersymbol interference channel coding scheme Expired - Lifetime CA2121757C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/076,603 US5488633A (en) 1993-06-14 1993-06-14 Intersymbol interference channel coding scheme
US076,603 1993-06-14

Publications (2)

Publication Number Publication Date
CA2121757A1 CA2121757A1 (en) 1994-12-15
CA2121757C true CA2121757C (en) 1999-06-15

Family

ID=22133080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002121757A Expired - Lifetime CA2121757C (en) 1993-06-14 1994-04-20 Intersymbol interference channel coding scheme

Country Status (5)

Country Link
US (1) US5488633A (de)
EP (1) EP0633679B1 (de)
JP (1) JP3059636B2 (de)
CA (1) CA2121757C (de)
DE (1) DE69433075T2 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619539A (en) * 1994-02-28 1997-04-08 International Business Machines Corporation Data detection methods and apparatus for a direct access storage device
JP3321976B2 (ja) * 1994-04-01 2002-09-09 富士通株式会社 信号処理装置および信号処理方法
US5604769A (en) * 1994-10-13 1997-02-18 Lucent Technologies Inc. Hybrid equalizer arrangement for use in data communications equipment
JPH08214281A (ja) * 1995-02-06 1996-08-20 Sony Corp 課金方法および課金システム
US5878077A (en) * 1995-10-10 1999-03-02 Paradyne Corporation Apparatus for high-speed simultaneous voice/data communications
JP3140974B2 (ja) * 1996-03-31 2001-03-05 富士通株式会社 判定方法及びプリコーダ装置
US5938790A (en) * 1997-03-04 1999-08-17 Silicon Systems Research Ltd. Sequence error event detection and correction using fixed block digital sum codes
US6307893B1 (en) * 1997-03-05 2001-10-23 Paradyne Corporation System and method for transmit signal spectral shaping
US6252911B1 (en) * 1997-06-11 2001-06-26 Texas Instruments Incorporated Trellis shaping for PCM modems
US6061407A (en) * 1997-10-08 2000-05-09 International Business Machines Corp. Transmission method and apparatus employing trellis-augmented precoding
EP1038379B1 (de) * 1997-12-29 2008-07-30 Motorola, Inc. Methode und apparat zum auswählen eines konstellationspunktes für jede gruppe von datenbits, welche durch ein analoges pcm-modem übertragen werden sollen
US6493399B1 (en) 1998-03-05 2002-12-10 University Of Delaware Digital wireless communications systems that eliminates intersymbol interference (ISI) and multipath cancellation using a plurality of optimal ambiguity resistant precoders
US7103065B1 (en) * 1998-10-30 2006-09-05 Broadcom Corporation Data packet fragmentation in a cable modem system
US6961314B1 (en) 1998-10-30 2005-11-01 Broadcom Corporation Burst receiver for cable modem system
US6760316B1 (en) * 1998-10-30 2004-07-06 Broadcom Corporation Method and apparatus for the synchronization of multiple cable modem termination system devices
WO2000028712A2 (en) * 1998-10-30 2000-05-18 Broadcom Corporation Cable modem system
US6201836B1 (en) 1999-01-20 2001-03-13 Motorola Inc. Method and apparatus for combining a Trellis coding scheme with a pre-coding scheme for data signals
US6680978B1 (en) 1999-03-01 2004-01-20 Adtran, Inc. Method and apparatus for nonlinear filtering and controlling the peak-to-average ratio
US6553081B1 (en) 1999-05-06 2003-04-22 Adtran, Inc. Method and apparatus for removing DC from the output of a precoder in a transmitter of a data communication system
US6400761B1 (en) 1999-09-15 2002-06-04 Princeton University Method and apparatus for adaptively compensating channel or system variations in precoded communications system
US6690739B1 (en) 2000-01-14 2004-02-10 Shou Yee Mui Method for intersymbol interference compensation
US6885699B2 (en) * 2000-07-24 2005-04-26 Stmicroelectronics Ltd. Semi-stationary quiescent mode transmission
US7170946B2 (en) * 2002-03-04 2007-01-30 Lucent Technologies Inc. System and method for reviving catastrophic codes
US7225392B2 (en) * 2002-03-04 2007-05-29 Lucent Technologies Inc. Error correction trellis coding with periodically inserted known symbols
US7471746B2 (en) * 2004-10-28 2008-12-30 Seagate Technology, Llc Whitening of data-dependent, non-stationary noise in an inter-symbol interference channel detector
KR100767052B1 (ko) 2005-12-30 2007-10-17 전남대학교산학협력단 피드백을 갖는 트렐리스 디코더 구조의 ｄｔｖ 수신기 및디코딩 방법
US7953187B2 (en) * 2006-06-21 2011-05-31 Forte Design Systems Limited Likelihood detector apparatus and method
US8731109B2 (en) * 2008-05-19 2014-05-20 Qualcomm Incorporated Methods and systems for effective channel estimation in OFDM systems

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040191A (en) * 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
US4888779A (en) * 1988-03-18 1989-12-19 International Business Machines Corporation Matched spectral null trellis codes for partial response channels
US5150381A (en) * 1989-02-16 1992-09-22 Codex Corporation Trellis shaping for modulation systems
US5159610A (en) * 1989-05-12 1992-10-27 Codex Corporation Trellis precoding for modulation systems
US5195107A (en) * 1990-12-11 1993-03-16 At&T Bell Laboratories Technique for compensating for intersymbol interference
US5455839A (en) * 1991-12-27 1995-10-03 Motorola, Inc. Device and method for precoding
US5388124A (en) * 1992-06-12 1995-02-07 University Of Maryland Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels
US5396519A (en) * 1993-10-22 1995-03-07 At&T Corp. Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel

Also Published As

Publication number Publication date
EP0633679B1 (de) 2003-08-27
CA2121757A1 (en) 1994-12-15
JP3059636B2 (ja) 2000-07-04
DE69433075D1 (de) 2003-10-02
DE69433075T2 (de) 2004-07-08
US5488633A (en) 1996-01-30
EP0633679A1 (de) 1995-01-11
JPH0799510A (ja) 1995-04-11

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Effective date: 20140422